16808987322 has 20 divisors (see below), whose sum is σ = 37664583066. Its totient is φ = 5602995720.

The previous prime is 16808987297. The next prime is 16808987333. The reversal of 16808987322 is 22378980861.

It is a happy number.

16808987322 is a `hidden beast` number, since 168 + 0 + 89 + 87 + 322 = 666.

16808987322 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15028062921 + 1780924401 = 122589^2 + 42201^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51879429 + ... + 51879752.

Almost surely, 2^16808987322 is an apocalyptic number.

16808987322 is an abundant number, since it is smaller than the sum of its proper divisors (20855595744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16808987322 is a wasteful number, since it uses less digits than its factorization.

16808987322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103759195 (or 103759186 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 16808987322 in words is "sixteen billion, eight hundred eight million, nine hundred eighty-seven thousand, three hundred twenty-two".